diff --git a/contrib/btree_gist/btree_utils_var.c b/contrib/btree_gist/btree_utils_var.c
index 7b1b40c7b5759d4ac84c7b7034090ddde6e76319..d751a11f0ebddd72ed349fe9f6cc1f212f716571 100644
--- a/contrib/btree_gist/btree_utils_var.c
+++ b/contrib/btree_gist/btree_utils_var.c
@@ -444,7 +444,7 @@ gbt_var_penalty(float *res, const GISTENTRY *o, const GISTENTRY *n, const gbtree
 
 
 /*
- * Fortunately, this sort comparsion routine needn't be reentrant...
+ * Fortunately, this sort comparison routine needn't be reentrant...
  */
 static const gbtree_vinfo *gbt_vsrt_cmp_tinfo;